volcanics火山岩volcanicadj.火山的；猛烈的volcanic rifted margin被动陆缘Volcanic erupted gases火山喷出气体volcanic dust fillings火山尘填隙物volcanic rocks Cenozic新生代火山岩volcanic rock reservoir火山岩储集层volcanic eruptive belts火山喷发带volcanic eruption basin火山喷发盆地volcanic eruption fluid火山喷流作用volcanic rock formation火山岩地层volcanic muds and sands火山泥和火山砂